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Từ điển WordNet v3.1 - WordNet Dictionary
sedative-hypnotic
a sedative that depresses activity of the central nervous system and reduces anxiety and induces sleep • Syn: sedative-hypnotic drug • Hypernyms: sedative, sedative drug, depressant, downer • Hyponyms: barbiturate, ethchlorvynol, Placidyl, methaqualone, Quaalude, thalidomide, tranquilizer, tranquillizer, tranquilliser, antianxiety agent, ataractic drug, ataractic agent, ataractic
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